Thanks! "Basic Mode" rings a bell.
On 1/17/2023 1:36 PM, Pommier, Rex wrote:
Tom,
Yes, I believe there was a period of time and certain CPU models when the
hardware supported what (IIRC) was called either basic mode or LPAR mode.
Basic mode ran the OS on bare hardware and obviously only 1 OS image on the box.
Rex
-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Tom
Brennan
Sent: Tuesday, January 17, 2023 3:30 PM
To: [email protected]
Subject: [EXTERNAL] Re: Beware IBM PTF UJ09197 (APAR OA63062)
Once IBM started using LPARs was there ever another option? I don't remember or was
never involved. Today I call running under an LPAR "bare metal", as opposed to
z/VM or KVM or whatever.
On 1/17/2023 10:32 AM, Paul Gilmartin wrote:
I understand that IBM wisely nowadays
supports z/OS only in an LPAR, not in both LPAR and bare metal.
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